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09-08-2014, 04:36 PM | #1 |
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Join Date: Jun 2014
Posts: 13
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Best shift for 0-60 time?
3.31 rear end OD trans with toggle switch. 276 ci, 4bbl ,aluminum heads, 3/4 cam.
1) Forget the OD? or 2) Use the OD and pause to let it shift from 2nd to 2ndOD? without breaking anything |
09-08-2014, 04:52 PM | #2 |
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Join Date: May 2010
Location: Wa.
Posts: 5,409
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Re: Best shift for 0-60 time?
You don't say what transmission but overdrives were NOT designed for racing.
With 3.31 gears, you should be able to go well past 60 mph in first gear. |
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09-08-2014, 07:13 PM | #3 |
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Location: Illinois
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Re: Best shift for 0-60 time?
You will get a much better time without the Over Drive.
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"Thrifty Sixty" Ford V8 for 1938 |
09-08-2014, 07:29 PM | #4 |
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Location: Mid coast Maine
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Re: Best shift for 0-60 time?
I run a C4 with 2.78 gears and I beat my shadow every time.
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09-08-2014, 08:02 PM | #5 |
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Join Date: Jun 2014
Posts: 13
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Re: Best shift for 0-60 time?
Thanks guys, got me to do the calculation, its a stock tranny.
2nd (no OD) is 4800 rpm at 60mph. I should get a tach. |
09-08-2014, 08:25 PM | #6 |
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Re: Best shift for 0-60 time?
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09-09-2014, 09:58 PM | #7 |
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Join Date: Feb 2011
Location: Buford, GA
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Re: Best shift for 0-60 time?
George49ford....can you explain the toggle switch for this electrical challenged flathead lover? A diagram would be even better if your able...tks Randy
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09-10-2014, 04:01 PM | #8 |
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Join Date: Jun 2010
Posts: 157
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Re: Best shift for 0-60 time?
rand if george doesnt explain it to you there are several different articles on the internet about wiring the solinoid direct thats the toggle switch i have that setup in my merc works well. been a real long time since i put it in but it goes something like this. hot to the toggle wire from toggle to relay wire from relay to solinoid. 30 mph flip the switch let off fuel and press back down should lock up. now you have to remember to flip the switch off when you stop and start again or youll still be in od in first gear not real healthy for the motor.if i forgot a step someone will yell im sure. but check the net to be sure.
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09-10-2014, 05:48 PM | #9 |
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Join Date: May 2013
Location: Lyndon, Vt.
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Re: Best shift for 0-60 time?
Did the toggle switch thing on a '50 w/OD that I purchased to get home, (Albany, N.Y.), from Sheppard AFB, (Witchita Falls, Texas), back in 1962. Didn't have a lot of money. I believe I grounded one of the terminals on the relay via the toggle. Got the job done but, as said above, I had to remember to throw the switch when slowing up. You do what you gotta do to. We sure had fun!!
Howard |
09-10-2014, 07:39 PM | #10 |
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Join Date: Feb 2011
Location: Buchanan, MI
Posts: 676
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Re: Best shift for 0-60 time?
Run the ground circuit thru the governor & then you don't have to "throw the switch".
The thinking will be done for you. |
09-10-2014, 08:28 PM | #11 |
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Join Date: Jun 2010
Posts: 157
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Re: Best shift for 0-60 time?
42 merc you might have to explain that to me. are you eliminating the switch altogether?
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09-10-2014, 08:43 PM | #12 |
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Location: North Georgia
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Re: Best shift for 0-60 time?
Oldsman41, yes the toggle switch is eliminated. The governor automatically (at about 28 mph) provides the ground for the solenoid to activate, that's what the manual toggle is doing.
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Gene Last edited by green50; 09-10-2014 at 09:08 PM. |
09-10-2014, 09:30 PM | #13 |
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Re: Best shift for 0-60 time?
okay so you wire hot to relay relay to solinoid solinoid ground to governor?
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09-11-2014, 06:56 AM | #14 |
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Join Date: Feb 2011
Location: Buchanan, MI
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Re: Best shift for 0-60 time?
Don't eliminate the toggle, just put it in series with the governor to relay wire (ground).
The toggle replaces the kick down switch. |
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